principal quantum number
Americannoun
Etymology
Origin of principal quantum number
First recorded in 1920–25
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The principal quantum number defines the location of the energy level.
From Textbooks ● Feb. 14, 2019
As we go down the elements in a group, the number of electrons in the valence shell remains constant, but the principal quantum number increases by one each time.
From Textbooks ● Feb. 14, 2019
We know that as we scan down a group, the principal quantum number, n, increases by one for each element.
From Textbooks ● Feb. 14, 2019
Whereas the principal quantum number, n, defines the general size and energy of the orbital, the secondary quantum number l specifies the shape of the orbital.
From Textbooks ● Feb. 14, 2019
We define n to be the principal quantum number that labels the basic states of a system.
From Textbooks ● Aug. 12, 2015
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
